@vthokie83
+1 Good approach, I’ve done that before with other accessories. Not being in a hurry is really important when evaluating changes likely to be subtle.
The quick answer, no. Not that I might not try that some day.
I tend to go through an upgrade cycle… speakers, components, wires, and adjust for a year or two and then just listen for many years. I’m in the listening period. During this time I know exactly what my system sounds like, 2 - 3 hours of listening a day. Then every once in a while I’ll think of some little tweak I have not tried… like a few months ago I got Cardas caps for my unused RCA outputs on my preamp. I didn’t notice any difference… but then the cost was very low. Then I tried one outlet… nice improvement… then the one to the amp… small improvement, not as much as the one to the other components… but worthy of the $200 investment.
Anyway during the long period between upgrades… for me usually about seven years, I use this time to evaluate more subtle small upgrades.

